ELPRO 915U-TCADP User manual

ELPRO
Brand
ELPRO
Model
915U-TCADP
Type
User manual

This manual is also suitable for

PWR
RF
232
485
ELPRO
915U-2
D1 D2 D3 D4 D5 D6 D7 D8
AI 1 AI2
AI3 AI4
AO1 AO2
GND+24V + - + GND+24V
AI 1
-
AI2
+ +
Thermocouple Adapter for 915U-2 915U-TCADP
Revision 1.6 - Oct 2011
inst_915U_TC_Adapter_1-6.vsd
Installation & Configuration Guide
Caution:
ESD Sensitive pins. Use ESD
handling precautions.
Thermocouple input terminals
must be within +/- 5V of the
915U-2 „GND‟ terminal
Connections
Installation
915U-TCADP board plugs into the bottom 6
terminals on the 915U-2 terminal strip.
A separate 14 way terminal strip is provided to
allow connection to the remaining terminals.
Address locations
38005 = 32 bit Floating Point temperature value
38007 = 32 bit Floating Point Cold Junction value
30003 = Scaled 16 bit Analog value
30004 = Scaled 16 bit Cold Junction value
Analog Input Scale Examples
For normal Polarity setting Zero and Span to 0 and 100 respectively
will scale the register to read the temperature as an integer value,
e.g. 148.25 °C will read 14825 or 26.51 °C will read 2651
For normal Polarity, setting Zero and Span to 15019 and 682.6667
respectively will scale the register so that a temperature of -10 to
50°C will give a scaled range of 8192 to 49152
For Reverse Polarity, setting Zero and Span to 30948 and 455.106
respectively will scale the register so that a temperature of -50 to
40°C will give a scaled range of 8192 to 49152
Normal Type “T”
Thermocouple
* Error Value is set in register 30003
when the thermocouple is open
circuit.
* Error Value is set in register 30003
and 30004 when the thermocouple
adaptor is not fitted
Configuration
Elpro
If „Thermocouple
Polarity‟ selection is
reversed
Thermocouple wires
must be swapped,
e.g. (red) to TC+ &
(blue) to TC-
-Ve
+Ve
(+24V)
Thermocouple Adapter
COM
Constantan
(red)
Copper (blue)
N/C
N/C
TC+
TC-
Dip Switches
All Dip Switches
must be set to
the OFF position.
ON
1
2
3 4 5 6
Type T 0°C to + 330°C - 200°C to + 5°C
Type K
Type J
0°C to + 410°C - 200°C to + 5°C
15°C to + 300°C - 210°C to + 10°C
Type Normal Reverse
Thermocouple Range @ Tamb (-40- +60)
Thermocouple Range @ Tamb (+10- +40)
Type T - 25°C to + 365°C - 200°C to + 70°C
Type K
Type J
- 25°C to + 455°C - 200°C to + 70°C
- 10°C to + 345°C - 210°C to + 60°C
Type Normal Reverse
On the “I/O Configuration” web page select:
Select Thermocouple type from the drop down list. Options
are Type T, Type J, Type K.
Select the Polarity from the drop down list (Normal or
Reversed)
Set Thermocouple Error Value to a value the integer
registers (30003 and/or 30004) will go to during fail *
Press “Save and Activate Changes” button.
  • Page 1 1

ELPRO 915U-TCADP User manual

ELPRO
Brand
ELPRO
Model
915U-TCADP
Type
User manual
This manual is also suitable for
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